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Finding the Fourth Proportional to 516,888.02, 713,200.90 and 301,986.58

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Solution

The fourth proportional to 516,888.02, 713,200.90 and 301,986.58 is: 416,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,888.02 : 713,200.90 = 301,986.58 : x
  2. Step 2: Convert to fraction form
    516,888.02/713,200.90 = 301,986.58/x
  3. Step 3: Cross multiply
    516,888.02x = 713,200.90 × 301,986.58
  4. Step 4: Simplify right side
    516,888.02x = 215,377,100,643.92
  5. Step 5: Solve for x
    x = 215,377,100,643.92/516,888.02
  6. Step 6: Final answer
    x = 416,680.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.